Neutral Density Filters Suppliers in New York

Neutral density filters are designed to reduce transmission evenly across a portion of the spectrum. They are slightly sensitive to angles but they are much more forgiving than interference filters.
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Description:
At Gurley Precision Instruments, measurement is our business. GPI was one of the first companies to develop the chrome-on-glass process necessary to manufacture optical encoder discs, and has since been a significant provider of optical encoders, optographic products and related devices. This... (more)

Description:
National Photocolor Corporation is a manufacturer of off-the-shelf and custom pellicles. They offer a broad selection of pellicle beamsplitters, filters and windows for UV to IR applications. Many custom type coatings and specially sized mounts are available for shipment within days... (more)